/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.

Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
 */
//
// q_shared.c -- stateless support routines that are included in each code dll
#include "q_shared.h"

float Com_Clamp(float min, float max, float value) {
	if (value < min) {
		return min;
	}
	if (value > max) {
		return max;
	}
	return value;
}

/*
============
COM_SkipPath
============
 */
char *COM_SkipPath(char *pathname) {
	char *last;

	last = pathname;
	while (*pathname) {
		if (*pathname == '/')
			last = pathname + 1;
		pathname++;
	}
	return last;
}

/*
============
COM_GetExtension
============
 */
const char *COM_GetExtension(const char *name) {
	int length, i;

	length = strlen(name) - 1;
	i = length;

	while (name[i] != '.') {
		i--;
		if (name[i] == '/' || i == 0)
			return ""; // no extension
	}

	return &name[i + 1];
}

/*
============
COM_StripExtension
============
 */
void COM_StripExtension(const char *in, char *out, int destsize) {
	int length;

	Q_strncpyz(out, in, destsize);

	length = strlen(out) - 1;
	while (length > 0 && out[length] != '.') {
		length--;
		if (out[length] == '/')
			return; // no extension
	}
	if (length)
		out[length] = 0;
}

/*
==================
COM_DefaultExtension
==================
 */
void COM_DefaultExtension(char *path, int maxSize, const char *extension) {
	char oldPath[MAX_QPATH];
	char *src;

	//
	// if path doesn't have a .EXT, append extension
	// (extension should include the .)
	//
	src = path + strlen(path) - 1;

	while (*src != '/' && src != path) {
		if (*src == '.') {
			return; // it has an extension
		}
		src--;
	}

	Q_strncpyz(oldPath, path, sizeof ( oldPath));
	Com_sprintf(path, maxSize, "%s%s", oldPath, extension);
}

/*
============================================================================

					BYTE ORDER FUNCTIONS

============================================================================
 */

/*
// can't just use function pointers, or dll linkage can
// mess up when qcommon is included in multiple places
static short	(*_BigShort) (short l);
static short	(*_LittleShort) (short l);
static int		(*_BigLong) (int l);
static int		(*_LittleLong) (int l);
static qint64	(*_BigLong64) (qint64 l);
static qint64	(*_LittleLong64) (qint64 l);
static float	(*_BigFloat) (const float *l);
static float	(*_LittleFloat) (const float *l);

short	BigShort(short l){return _BigShort(l);}
short	LittleShort(short l) {return _LittleShort(l);}
int		BigLong (int l) {return _BigLong(l);}
int		LittleLong (int l) {return _LittleLong(l);}
qint64 	BigLong64 (qint64 l) {return _BigLong64(l);}
qint64 	LittleLong64 (qint64 l) {return _LittleLong64(l);}
float	BigFloat (const float *l) {return _BigFloat(l);}
float	LittleFloat (const float *l) {return _LittleFloat(l);}
 */

short ShortSwap(short l) {
	byte b1, b2;

	b1 = l & 255;
	b2 = (l >> 8)&255;

	return (b1 << 8) +b2;
}

short ShortNoSwap(short l) {
	return l;
}

int LongSwap(int l) {
	byte b1, b2, b3, b4;

	b1 = l & 255;
	b2 = (l >> 8)&255;
	b3 = (l >> 16)&255;
	b4 = (l >> 24)&255;

	return ((int) b1 << 24) + ((int) b2 << 16) + ((int) b3 << 8) + b4;
}

int LongNoSwap(int l) {
	return l;
}

qint64 Long64Swap(qint64 ll) {
	qint64 result;

	result.b0 = ll.b7;
	result.b1 = ll.b6;
	result.b2 = ll.b5;
	result.b3 = ll.b4;
	result.b4 = ll.b3;
	result.b5 = ll.b2;
	result.b6 = ll.b1;
	result.b7 = ll.b0;

	return result;
}

qint64 Long64NoSwap(qint64 ll) {
	return ll;
}

typedef union {
	float f;
	unsigned int i;
} _FloatByteUnion;

float FloatSwap(const float *f) {
	_FloatByteUnion out;

	out.f = *f;
	out.i = LongSwap(out.i);

	return out.f;
}

float FloatNoSwap(const float *f) {
	return *f;
}

/*
================
Swap_Init
================
 */
/*
void Swap_Init (void)
{
	byte	swaptest[2] = {1,0};

// set the byte swapping variables in a portable manner	
	if ( *(short *)swaptest == 1)
	{
		_BigShort = ShortSwap;
		_LittleShort = ShortNoSwap;
		_BigLong = LongSwap;
		_LittleLong = LongNoSwap;
		_BigLong64 = Long64Swap;
		_LittleLong64 = Long64NoSwap;
		_BigFloat = FloatSwap;
		_LittleFloat = FloatNoSwap;
	}
	else
	{
		_BigShort = ShortNoSwap;
		_LittleShort = ShortSwap;
		_BigLong = LongNoSwap;
		_LittleLong = LongSwap;
		_BigLong64 = Long64NoSwap;
		_LittleLong64 = Long64Swap;
		_BigFloat = FloatNoSwap;
		_LittleFloat = FloatSwap;
	}

}
 */

/*
============================================================================

PARSING

============================================================================
 */

static char com_token[MAX_TOKEN_CHARS];
static char com_parsename[MAX_TOKEN_CHARS];
static int com_lines;

void COM_BeginParseSession(const char *name) {
	com_lines = 0;
	Com_sprintf(com_parsename, sizeof (com_parsename), "%s", name);
}

int COM_GetCurrentParseLine(void) {
	return com_lines;
}

char *COM_Parse(char **data_p) {
	return COM_ParseExt(data_p, qtrue);
}

void COM_ParseError(char *format, ...) {
	va_list argptr;
	static char string[4096];

	va_start(argptr, format);
	Q_vsnprintf(string, sizeof (string), format, argptr);
	va_end(argptr);

	Com_Printf("ERROR: %s, line %d: %s\n", com_parsename, com_lines, string);
}

void COM_ParseWarning(char *format, ...) {
	va_list argptr;
	static char string[4096];

	va_start(argptr, format);
	Q_vsnprintf(string, sizeof (string), format, argptr);
	va_end(argptr);

	Com_Printf("WARNING: %s, line %d: %s\n", com_parsename, com_lines, string);
}

/*
==============
COM_Parse

Parse a token out of a string
Will never return NULL, just empty strings

If "allowLineBreaks" is qtrue then an empty
string will be returned if the next token is
a newline.
==============
 */
static char *SkipWhitespace(char *data, qboolean *hasNewLines) {
	int c;

	while ((c = *data) <= ' ') {
		if (!c) {
			return NULL;
		}
		if (c == '\n') {
			com_lines++;
			*hasNewLines = qtrue;
		}
		data++;
	}

	return data;
}

int COM_Compress(char *data_p) {
	char *in, *out;
	int c;
	qboolean newline = qfalse, whitespace = qfalse;

	in = out = data_p;
	if (in) {
		while ((c = *in) != 0) {
			// skip double slash comments
			if (c == '/' && in[1] == '/') {
				while (*in && *in != '\n') {
					in++;
				}
				// skip /* */ comments
			} else if (c == '/' && in[1] == '*') {
				while (*in && (*in != '*' || in[1] != '/'))
					in++;
				if (*in)
					in += 2;
				// record when we hit a newline
			} else if (c == '\n' || c == '\r') {
				newline = qtrue;
				in++;
				// record when we hit whitespace
			} else if (c == ' ' || c == '\t') {
				whitespace = qtrue;
				in++;
				// an actual token
			} else {
				// if we have a pending newline, emit it (and it counts as whitespace)
				if (newline) {
					*out++ = '\n';
					newline = qfalse;
					whitespace = qfalse;
				}
				if (whitespace) {
					*out++ = ' ';
					whitespace = qfalse;
				}

				// copy quoted strings unmolested
				if (c == '"') {
					*out++ = c;
					in++;
					while (1) {
						c = *in;
						if (c && c != '"') {
							*out++ = c;
							in++;
						} else {
							break;
						}
					}
					if (c == '"') {
						*out++ = c;
						in++;
					}
				} else {
					*out = c;
					out++;
					in++;
				}
			}
		}
		*out = 0;
		return out - data_p;
	}
	return 0;
}

char *COM_ParseExt(char **data_p, qboolean allowLineBreaks) {
	int c = 0, len;
	qboolean hasNewLines = qfalse;
	char *data;

	data = *data_p;
	len = 0;
	com_token[0] = 0;

	// make sure incoming data is valid
	if (!data) {
		*data_p = NULL;
		return com_token;
	}

	while (1) {
		// skip whitespace
		data = SkipWhitespace(data, &hasNewLines);
		if (!data) {
			*data_p = NULL;
			return com_token;
		}
		if (hasNewLines && !allowLineBreaks) {
			*data_p = data;
			return com_token;
		}

		c = *data;

		// skip double slash comments
		if (c == '/' && data[1] == '/') {
			data += 2;
			while (*data && *data != '\n') {
				data++;
			}
		}			// skip /* */ comments
		else if (c == '/' && data[1] == '*') {
			data += 2;
			while (*data && (*data != '*' || data[1] != '/')) {
				data++;
			}
			if (*data) {
				data += 2;
			}
		} else {
			break;
		}
	}

	// handle quoted strings
	if (c == '\"') {
		data++;
		while (1) {
			c = *data++;
			if (c == '\"' || !c) {
				com_token[len] = 0;
				*data_p = (char *) data;
				return com_token;
			}
			if (len < MAX_TOKEN_CHARS - 1) {
				com_token[len] = c;
				len++;
			}
		}
	}

	// parse a regular word
	do {
		if (len < MAX_TOKEN_CHARS - 1) {
			com_token[len] = c;
			len++;
		}
		data++;
		c = *data;
		if (c == '\n')
			com_lines++;
	} while (c > 32);

	com_token[len] = 0;

	*data_p = (char *) data;
	return com_token;
}


#if 0
// no longer used

/*
===============
COM_ParseInfos
===============
 */
int COM_ParseInfos(char *buf, int max, char infos[][MAX_INFO_STRING]) {
	char *token;
	int count;
	char key[MAX_TOKEN_CHARS];

	count = 0;

	while (1) {
		token = COM_Parse(&buf);
		if (!token[0]) {
			break;
		}
		if (strcmp(token, "{")) {
			Com_Printf("Missing { in info file\n");
			break;
		}

		if (count == max) {
			Com_Printf("Max infos exceeded\n");
			break;
		}

		infos[count][0] = 0;
		while (1) {
			token = COM_ParseExt(&buf, qtrue);
			if (!token[0]) {
				Com_Printf("Unexpected end of info file\n");
				break;
			}
			if (!strcmp(token, "}")) {
				break;
			}
			Q_strncpyz(key, token, sizeof ( key));

			token = COM_ParseExt(&buf, qfalse);
			if (!token[0]) {
				strcpy(token, "<NULL>");
			}
			Info_SetValueForKey(infos[count], key, token);
		}
		count++;
	}

	return count;
}
#endif

/*
==================
COM_MatchToken
==================
 */
void COM_MatchToken(char **buf_p, char *match) {
	char *token;

	token = COM_Parse(buf_p);
	if (strcmp(token, match)) {
		Com_Error(ERR_DROP, "MatchToken: %s != %s", token, match);
	}
}

/*
=================
SkipBracedSection

The next token should be an open brace.
Skips until a matching close brace is found.
Internal brace depths are properly skipped.
=================
 */
void SkipBracedSection(char **program) {
	char *token;
	int depth;

	depth = 0;
	do {
		token = COM_ParseExt(program, qtrue);
		if (token[1] == 0) {
			if (token[0] == '{') {
				depth++;
			} else if (token[0] == '}') {
				depth--;
			}
		}
	} while (depth && *program);
}

/*
=================
SkipRestOfLine
=================
 */
void SkipRestOfLine(char **data) {
	char *p;
	int c;

	p = *data;
	while ((c = *p++) != 0) {
		if (c == '\n') {
			com_lines++;
			break;
		}
	}

	*data = p;
}

void Parse1DMatrix(char **buf_p, int x, float *m) {
	char *token;
	int i;

	COM_MatchToken(buf_p, "(");

	for (i = 0; i < x; i++) {
		token = COM_Parse(buf_p);
		m[i] = atof(token);
	}

	COM_MatchToken(buf_p, ")");
}

void Parse2DMatrix(char **buf_p, int y, int x, float *m) {
	int i;

	COM_MatchToken(buf_p, "(");

	for (i = 0; i < y; i++) {
		Parse1DMatrix(buf_p, x, m + i * x);
	}

	COM_MatchToken(buf_p, ")");
}

void Parse3DMatrix(char **buf_p, int z, int y, int x, float *m) {
	int i;

	COM_MatchToken(buf_p, "(");

	for (i = 0; i < z; i++) {
		Parse2DMatrix(buf_p, y, x, m + i * x * y);
	}

	COM_MatchToken(buf_p, ")");
}

void Q_StrToLower(char *io_string) {
	int i;
	for (i = 0; i < strlen(io_string); i++) {
		io_string[i] = tolower(io_string[i]);
	}
}

/*
============================================================================

					LIBRARY REPLACEMENT FUNCTIONS

============================================================================
 */

int Q_isprint(int c) {
	if (c >= 0x20 && c <= 0x7E)
		return ( 1);
	return ( 0);
}

int Q_islower(int c) {
	if (c >= 'a' && c <= 'z')
		return ( 1);
	return ( 0);
}

int Q_isupper(int c) {
	if (c >= 'A' && c <= 'Z')
		return ( 1);
	return ( 0);
}

int Q_isalpha(int c) {
	if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))
		return ( 1);
	return ( 0);
}

char* Q_strrchr(const char* string, int c) {
	char cc = c;
	char *s;
	char *sp = (char *) 0;

	s = (char*) string;

	while (*s) {
		if (*s == cc)
			sp = s;
		s++;
	}
	if (cc == 0)
		sp = s;

	return sp;
}

/*
=============
Q_strncpyz
 
Safe strncpy that ensures a trailing zero
=============
 */
void Q_strncpyz(char *dest, const char *src, int destsize) {
	if (!dest) {
		Com_Error(ERR_FATAL, "Q_strncpyz: NULL dest");
	}
	if (!src) {
		Com_Error(ERR_FATAL, "Q_strncpyz: NULL src");
	}
	if (destsize < 1) {
		Com_Error(ERR_FATAL, "Q_strncpyz: destsize < 1");
	}

	strncpy(dest, src, destsize - 1);
	dest[destsize - 1] = 0;
}

int Q_stricmpn(const char *s1, const char *s2, int n) {
	int c1, c2;

	if (s1 == NULL) {
		if (s2 == NULL)
			return 0;
		else
			return -1;
	} else if (s2 == NULL)
		return 1;



	do {
		c1 = *s1++;
		c2 = *s2++;

		if (!n--) {
			return 0; // strings are equal until end point
		}

		if (c1 != c2) {
			if (c1 >= 'a' && c1 <= 'z') {
				c1 -= ('a' - 'A');
			}
			if (c2 >= 'a' && c2 <= 'z') {
				c2 -= ('a' - 'A');
			}
			if (c1 != c2) {
				return c1 < c2 ? -1 : 1;
			}
		}
	} while (c1);

	return 0; // strings are equal
}

int Q_strncmp(const char *s1, const char *s2, int n) {
	int c1, c2;

	do {
		c1 = *s1++;
		c2 = *s2++;

		if (!n--) {
			return 0; // strings are equal until end point
		}

		if (c1 != c2) {
			return c1 < c2 ? -1 : 1;
		}
	} while (c1);

	return 0; // strings are equal
}

int Q_stricmp(const char *s1, const char *s2) {
	return (s1 && s2) ? Q_stricmpn(s1, s2, 99999) : -1;
}

char *Q_strlwr(char *s1) {
	char *s;

	s = s1;
	while (*s) {
		*s = tolower(*s);
		s++;
	}
	return s1;
}

char *Q_strupr(char *s1) {
	char *s;

	s = s1;
	while (*s) {
		*s = toupper(*s);
		s++;
	}
	return s1;
}


// never goes past bounds or leaves without a terminating 0

void Q_strcat(char *dest, int size, const char *src) {
	int l1;

	l1 = strlen(dest);
	if (l1 >= size) {
		Com_Error(ERR_FATAL, "Q_strcat: already overflowed");
	}
	Q_strncpyz(dest + l1, src, size - l1);
}

/*
 * Find the first occurrence of find in s.
 */
const char *Q_stristr(const char *s, const char *find) {
	char c, sc;
	size_t len;

	if ((c = *find++) != 0) {
		if (c >= 'a' && c <= 'z') {
			c -= ('a' - 'A');
		}
		len = strlen(find);
		do {
			do {
				if ((sc = *s++) == 0)
					return NULL;
				if (sc >= 'a' && sc <= 'z') {
					sc -= ('a' - 'A');
				}
			} while (sc != c);
		} while (!Q_strequaln(s, find, len));
		s--;
	}
	return s;
}

int Q_PrintStrlen(const char *string) {
	int len;
	const char *p;

	if (!string) {
		return 0;
	}

	len = 0;
	p = string;
	while (*p) {
		if (Q_IsColorString(p)) {
			p += 2;
			continue;
		}
		p++;
		len++;
	}

	return len;
}

char *Q_CleanStr(char *string) {
	char* d;
	char* s;
	int c;
	qboolean hadColor = qfalse;

	s = string;
	d = string;
	while ((c = *s) != 0) {
		if (Q_IsColorString(s)) {
			s++;
			hadColor = qtrue;
		} else if (c >= 0x20 && c <= 0x7E) {
			*d++ = c;
		}
		s++;
	}
	*d = '\0';
	if (hadColor)
		return Q_CleanStr(string);
	else
		return string;
}

int Q_CountChar(const char *string, char tocount) {
	int count;

	for (count = 0; *string; string++) {
		if (*string == tocount)
			count++;
	}

	return count;
}

void QDECL Com_sprintf(char *dest, int size, const char *fmt, ...) {
	int len;
	va_list argptr;
	char bigbuffer[32000]; // big, but small enough to fit in PPC stack

	va_start(argptr, fmt);
	len = Q_vsnprintf(bigbuffer, sizeof (bigbuffer), fmt, argptr);
	va_end(argptr);
	if (len >= sizeof ( bigbuffer)) {
		Com_Error(ERR_FATAL, "Com_sprintf: overflowed bigbuffer");
	}
	if (len >= size) {
		Com_Printf("Com_sprintf: overflow of %i in %i\n", len, size);
#ifdef _DEBUG
		__asm
		{
			int 3;
		}
#endif
	}
	Q_strncpyz(dest, bigbuffer, size);
}

/*
============
va

does a varargs printf into a temp buffer, so I don't need to have
varargs versions of all text functions.
============
 */
char * QDECL va(char *format, ...) {
	va_list argptr;
	static char string[2][32000]; // in case va is called by nested functions
	static int index = 0;
	char *buf;

	buf = string[index & 1];
	index++;

	va_start(argptr, format);
	Q_vsnprintf(buf, sizeof (*string), format, argptr);
	va_end(argptr);

	return buf;
}

/*
============
Com_TruncateLongString

Assumes buffer is atleast TRUNCATE_LENGTH big
============
 */
void Com_TruncateLongString(char *buffer, const char *s) {
	int length = strlen(s);

	if (length <= TRUNCATE_LENGTH) {
		Q_strncpyz(buffer, s, TRUNCATE_LENGTH);
	}
	else {
		Q_strncpyz(buffer, s, (TRUNCATE_LENGTH / 2) - 3);
		Q_strcat(buffer, TRUNCATE_LENGTH, " ... ");
		Q_strcat(buffer, TRUNCATE_LENGTH, s + length - (TRUNCATE_LENGTH / 2) + 3);
	}
}

/*
=====================================================================

 INFO STRINGS

=====================================================================
 */

/*
===============
Info_ValueForKey

Searches the string for the given
key and returns the associated value, or an empty string.
FIXME: overflow check?
===============
 */
char *Info_ValueForKey(const char *s, const char *key) {
	char pkey[BIG_INFO_KEY];
	static char value[2][BIG_INFO_VALUE]; // use two buffers so compares
	// work without stomping on each other
	static int valueindex = 0;
	char *o;

	if (!s || !key) {
		return "";
	}

	if (strlen(s) >= BIG_INFO_STRING) {
		Com_Error(ERR_DROP, "Info_ValueForKey: oversize infostring");
	}

	valueindex ^= 1;
	if (*s == '\\')
		s++;
	while (1) {
		o = pkey;
		while (*s != '\\') {
			if (!*s)
				return "";
			*o++ = *s++;
		}
		*o = 0;
		s++;

		o = value[valueindex];

		while (*s != '\\' && *s) {
			*o++ = *s++;
		}
		*o = 0;

		if (Q_strequal(key, pkey))
			return value[valueindex];

		if (!*s)
			break;
		s++;
	}

	return "";
}

/*
===================
Info_NextPair

Used to itterate through all the key/value pairs in an info string
===================
 */
void Info_NextPair(const char **head, char *key, char *value) {
	char *o;
	const char *s;

	s = *head;

	if (*s == '\\') {
		s++;
	}
	key[0] = 0;
	value[0] = 0;

	o = key;
	while (*s != '\\') {
		if (!*s) {
			*o = 0;
			*head = s;
			return;
		}
		*o++ = *s++;
	}
	*o = 0;
	s++;

	o = value;
	while (*s != '\\' && *s) {
		*o++ = *s++;
	}
	*o = 0;

	*head = s;
}

/*
===================
Info_RemoveKey
===================
 */
void Info_RemoveKey(char *s, const char *key) {
	char *start;
	char pkey[MAX_INFO_KEY];
	char value[MAX_INFO_VALUE];
	char *o;

	if (strlen(s) >= MAX_INFO_STRING) {
		Com_Error(ERR_DROP, "Info_RemoveKey: oversize infostring");
	}

	if (strchr(key, '\\')) {
		return;
	}

	while (1) {
		start = s;
		if (*s == '\\')
			s++;
		o = pkey;
		while (*s != '\\') {
			if (!*s)
				return;
			*o++ = *s++;
		}
		*o = 0;
		s++;

		o = value;
		while (*s != '\\' && *s) {
			if (!*s)
				return;
			*o++ = *s++;
		}
		*o = 0;

		if (!strcmp(key, pkey)) {
			memmove(start, s, strlen(s) + 1); // remove this part

			return;
		}

		if (!*s)
			return;
	}

}


/*
==================
Info_Validate

Some characters are illegal in info strings because they
can mess up the server's parsing
==================
 */
qboolean Info_Validate(const char *s) {
	if (strchr(s, '\"')) {
		return qfalse;
	}
	if (strchr(s, ';')) {
		return qfalse;
	}
	return qtrue;
}

/*
==================
Info_SetValueForKey

Changes or adds a key/value pair
==================
 */
void Info_SetValueForKey(char *s, const char *key, const char *value) {
	char newi[MAX_INFO_STRING];
	const char* blacklist = "\\;\"";

	if (strlen(s) >= MAX_INFO_STRING) {
		Com_Error(ERR_DROP, "Info_SetValueForKey: oversize infostring");
	}

	for (; *blacklist; ++blacklist) {
		if (strchr(key, *blacklist) || strchr(value, *blacklist)) {
			Com_Printf(S_COLOR_YELLOW "Can't use keys or values with a '%c': %s = %s\n", *blacklist, key, value);
			return;
		}
	}

	Info_RemoveKey(s, key);
	if (!value || !strlen(value))
		return;

	Com_sprintf(newi, sizeof (newi), "\\%s\\%s", key, value);

	if (strlen(newi) + strlen(s) >= MAX_INFO_STRING) {
		Com_Printf("Info string length exceeded\n");
		return;
	}

	strcat(newi, s);
	strcpy(s, newi);
}


//====================================================================

/*
==================
Com_CharIsOneOfCharset
==================
 */
static qboolean Com_CharIsOneOfCharset(char c, char *set) {
	int i;

	for (i = 0; i < strlen(set); i++) {
		if (set[ i ] == c)
			return qtrue;
	}

	return qfalse;
}

/*
==================
Com_SkipCharset
==================
 */
char *Com_SkipCharset(char *s, char *sep) {
	char *p = s;

	while (p) {
		if (Com_CharIsOneOfCharset(*p, sep))
			p++;
		else
			break;
	}

	return p;
}

/*
==================
Com_SkipTokens
==================
 */
char *Com_SkipTokens(char *s, int numTokens, char *sep) {
	int sepCount = 0;
	char *p = s;

	while (sepCount < numTokens) {
		if (Com_CharIsOneOfCharset(*p++, sep)) {
			sepCount++;
			while (Com_CharIsOneOfCharset(*p, sep))
				p++;
		} else if (*p == '\0')
			break;
	}

	if (sepCount == numTokens)
		return p;
	else
		return s;
}
